Petrotech Welding & Consultancy Limited

Providing Materials and Welding Expertise to the Energy Sector

Previous Projects

  • Hydrocor
  • BP Cassandra
  • Norsok
  • ECE
  • Seagreen Windfarm
  • Talbot and Affleck
  • Greater Stellar Development
  • Catcher
  • BP Devenick
  • Flyndre Cawdor

Material Specialisation

Carbon Steel, Duplex, Super Duplex, 13Cr, lined and clad pipelines.

Types of Products

Riser, manifolds, structures and associated piping. Topside: FPSO Construction (Hull & Piping), CRA/Clad pressure vessels.

Types of Services

A major part has been welding engineering and implementation of appropriate welding technology to meet specific code and process requirements. Qualifying Welding procedures using mechanised GTAW/PGMAW/GSFCAW welding systems to achieve fast cycle times and high-quality welds. Responsible for qualification programmes for both ECA (Engineering Critical Assessments) and AUT (Automated Ultrasonic Testing) where Installation by Reeling is required.

Corrosion engineering/ integrity management work has CO2 corrosion assessment (Hydrocor, BP Cassandra, Norsok, ECE), sour-survive corrosion testing (Line pipe and Girth Welds) included preparation and implementation of corrosion management, inspection systems and risk-based inspection strategies for pipework, vessels, pipelines and structural steel and technical investigations following in-service failures.